In all the world, Teilmann (Teilmann 
) is an extremely rare masculine first name. Much more prevalently, Teilmann is the last name as well as the forename.
Mr, Svend, Brian, Karin, Kalle, Peter, Roger, René, Renã, Dirch, Ditte, Grete, Gitte, Laura, Lenka, Linda, Janni, Jacob, Jamie, Jakob, Jonas, Jesse, Stina, Soren, Sanna, Mette, Ms, Pia, Jon, Eva, Ida, Ole, Mads, Maja, Mike, Anna, Julia, Poul, Lars, Lise, Jess, Jens, Tara, Tina, Tine, Nina, Erik, Frey, Gary, and Jimmy